Applied Biological Chemistry

  • 제48권1호
  • /
  • Pages.65-69
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  • 2005
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  • 2468-0834(pISSN)
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  • 2468-0842(eISSN)
한국응용생명화학회 (The Korean Society for Applied Biological Chemistry)
권호 표지

St. John's wort(Hypericum perforatum L.)의 생리활성 효과

Biological activity of St. John's wort (Hypericum perforatum L.)

  • 조영제 (상주대학교 식품공학과) ;
  • 천성숙 (영남대학교 식품가공학과) ;
  • 윤소정 (상주대학교 식품공학과) ;
  • 김정환 (상주대학교 식품공학과)
  • Cho, Young-Je (Department of Food Engineering Sangju National University) ;
  • Chun, Sung-Sook (Department of Food Science & Technology Yeungnam University) ;
  • Yoon, So-Jung (Department of Food Engineering Sangju National University) ;
  • Kim, Jeung-Hoan (Department of Food Engineering Sangju National University)
  • 발행 : 2005.03.31
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초록

St. John's wort를 성인병 예방을 위한 기능성 식품소재로 이용하기 위하여 추출물의 생리활성효과를 조사하였다. 추출물의 phenol 함량은 열수추출물이 $237.4{\pm}13.2\;{\mu}g/ml$였으며, 알콜추출물은 $246.0{\pm}10.5\;{\mu}g/ml$로 알콜추출물의 phenol 함량이 다소 높게 나타났다. 추출물의 항산화효과는 DPPH가 열수추출물과 알콜추출물이 각각 95.02%, 95.24%로 높게 나타났고, antioxidant protection factor는 알콜추출군이 PF 1.78정도로 지용성물질에 대한 항산화력도 높은 것으로 확인되었으나 열수추출물의 경우 지용성 물질에 대한 항산화력이 거의 없었다. Helicobacter pylori에 대한 추출물의 항균활성은 열수추출물의 경우 clear zone이 나타나지 않았으며 알콜추출물의 경우 $100\;{\mu}g/ml$과 $150\;{\mu}g/ml$의 농도에서 각각 11 mm와 13 mm의 clear zone이 관찰되어 저해활성이 높은 것으로 판단되었다. Angiotensin converting enzyme 저해효과는 열수추출군에서만 19.15%의 angiotensin converting enzyme에 대한 저해력을 나타내어 고혈압의 예방 효과는 비교적 낮았다. Xanthin oxidase에 대한 억제효과는 열수추출물이 84.79%, 알콜추출물이 100%의 완벽한 저해효과를 나타내어 xanthin oxidase에 대한 높은 저해를 관찰할 수 있었다. 이러한 결과로 St. John's wort는 Helicobacter pylori에 대한 항균제, 항산화제 및 anti-gout 소재로의 개발이 기대되었다.

The physiological activity of St. John's wort extracts were examined. Total phenol contents in the ethanol extracts $(246.0{\pm}10.5\;{\mu}g/ml)$ with St. John's wort leaf was higher than that in water extract $(237.4{\pm}13.2\;{\mu}g/ml)$. The electron donating ability in the water extracts and in the ethanol extracts were 95.0% and 95.2% respectively. Antioxidant protection factor of the ethanol extract was higher than that of the water extract. The water extract from St. John's wort leaves did not show an antimicrobial activity against Helicobacter pylori, but the ethanol extract revealed high antimicrobial activities such as 11 mm of clear zone in $100\;{\mu}g/ml$ of phenol content and 13 mm of clear zone in $150\;{\mu}g/ml$ of phenol content. The hot water extract showed an angiotensin converting enzyme inhibitory activity of 19.2%. The xanthin oxidase inhibitory activity of hot water and ethanol extract were very high, amounting to 84.8% and 100% respectively. The results suggested a possibility for developing the phenol compounds in St. John's wort as anti Helicobacter pylori, anti-oxidant and anti-gout agents.

키워드

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